Jornal Vascular Brasileiro
https://jvascbras.org/article/doi/10.1590/1677-5449.202201262
Jornal Vascular Brasileiro
Case Report

A rare cause of deep vein thrombosis: inferior vena cava agenesis

Agenesia da veia cava inferior: uma causa rara de trombose venosa profunda

Pablo Del Canto Peruyera; Manuel Javier Vallina-Victorero Vázquez

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Abstract

Abstract: Inferior vena cava agenesis is a rare condition and is often misdiagnosed. This anomaly is asymptomatic in the majority of cases and is usually diagnosed during imaging tests carried out for other purposes. The most frequent manifestation is deep vein thrombosis (DVT) in lower limbs and anticoagulation therapy is the most frequent treatment option. Other techniques such as thrombolysis and venous bypass are also described. We report two cases diagnosed at our institution during the last year, both of which presented with an episode of DVT. We opted for indefinite anticoagulation therapy and both patients remain asymptomatic, after 1 year of surveillance in the first case and 6 months in the second, with no new episodes of DVT. Although it is not a life-threatening anomaly, it is important to make an appropriate diagnosis and provide treatment to improve the symptoms and quality of life of these patients.

Keywords

inferior vena cava, agenesis, deep venous thrombosis, diagnosis, treatment, vascular congenital anomalies

Resumo

Resumo: A agenesia da veia cava inferior é uma condição rara e, muitas vezes, mal diagnosticada. Essa anomalia é, na maioria dos casos, assintomática, sendo geralmente diagnosticada durante exames de imagem realizados com outras finalidades. A manifestação mais comum é trombose venosa profunda (TVP) em membros inferiores, e a terapia anticoagulante é a opção de tratamento mais frequente, embora outras técnicas, como trombólise e derivações venosas, também tenham sido descritas. Relatamos dois casos diagnosticados na nossa Instituição no último ano, ambos com episódio de TVP. O tratamento consistiu em anticoagulação por tempo indeterminado e, após 1 ano de acompanhamento no primeiro caso e 6 meses no segundo, ambos os pacientes permanecem assintomáticos, sem novos episódios de TVP. Embora não seja uma anomalia com risco de vida, é importante realizar diagnóstico e tratamento adequados para melhorar os sintomas e a qualidade de vida desses pacientes.
 

Palavras-chave

veia cava inferior, agenesia, trombose venosa profunda, diagnóstico, tratamento, anomalias vasculares congênitas

References

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Submitted date:
02/16/2023

Accepted date:
05/09/2023

Sociedade Brasileira de Angiologia e Cirurgia Vascular (SBACV)"> Sociedade Brasileira de Angiologia e Cirurgia Vascular (SBACV)">
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